4 Complete the sentences with the correct modal verbs a) We aren’t supposed to / needn’t leave the school at break time, but a lot

of students go out to buy sweets at the shop across the road.

b) We’re going away for a week. How many T-shirts do you think I must /

should pack?

c) The great thing about Sundays is that I don't need to / shouldn’t get up

early.

d) You don't have to / mustn't feed the dog, I've already done it.

e) I think you have to / ought to visit your grandma more often.

f) You might / must have told me that my favourite film was on TV last

night. I missed it!

g) I must / have to finish this task today. It's in the contract.